Heatwave 24 Litre Heating Expansion Vessel Hwb-24Lx

24 Ltr. Easy to install. Quality tested.

The Heatwave 24 Litre Heating Expansion Vessel (Model HWB-24LX) is a premium-grade hydronic expansion tank engineered to manage thermal expansion in sealed central heating systems. Designed and manufactured to the same rigorous standards as all Global Water Solutions (GWS) products, this vessel ensures exceptional reliability, efficiency, and long service life in both residential and commercial installations.

Built with an incorporated hex nut system connection, the HWB-24LX allows for easy installation and secure fitting to system pipework or a wall-mounted bracket. Its sealed air chamber, equipped with a brass valve and O-ring air cap, guarantees long-term, leak-free performance. Finished with a two-part polyurethane, epoxy-primed coating, this vessel offers excellent corrosion resistance in harsh indoor and outdoor environments.

Key Features

• Genuine HeatWave expansion vessel – Model HWB-24LX

• 24-litre capacity suitable for sealed hydronic heating systems

• Designed to absorb thermal expansion and stabilise pressure

• Equipped with a hex nut connection system for easy installation

• Features brass air valve and O-ring sealed air cap for durability

• Epoxy-primed polyurethane finish resists corrosion and wear

• Can be pipe-supported or wall-mounted

• Tested for structural integrity at multiple production stages

• Delivers maintenance-free, long-term performance

Compatibility

• Suitable for all sealed heating systems, including domestic and commercial setups

• Compatible with oil, gas, or electric boilers

• Can be used as a replacement or auxiliary expansion vessel

When to Replace

• If system pressure drops frequently or the vessel becomes waterlogged

• During boiler service or pressure maintenance checks

• When upgrading to larger or more efficient pressure control systems

Technical Specifications

• Manufacturer: HeatWave (GWS)

• Model: HWB-24LX

• Type: Heating expansion vessel

• Capacity: 24 litres

• Connection Size: ¾" BSP (typical)

• Max Pressure: 10 bar

• Pre-Charge Pressure: 1.5 bar

• Material: Steel body with epoxy-primed polyurethane finish

• Mounting: Piping or wall bracket

• Application: Sealed heating and hydronic systems